package com.itheima.demo6_this关键字.p01修饰变量;

public class Test {
    public static void main(String[] args) {
        Zi zi = new Zi();
        zi.show();
    }
}
class Fu{
    int num =10;
}

class Zi extends Fu{
    int num = 666;
    public void show(){
        int num = 999;
        System.out.println(this.num);
    }
}